In other words, don’t apply insecticides when crops are in bloom!  Many pesticides and insecticides will have warning labels directing you not to use them while a crop is blooming. Since flowers attract honeybees, using an insecticide during a bloom can decimate honeybee populations in your area.   Always read and follow a pesticide’s label.  Choose products that have a “short residual” impact and are labeled “low hazard.” Alfalfa, sunflowers, and canola are especially attractive to honeybees, so take particular care when treating these crops. To help determine whether you should mow first, inspect the field to see if you can spot any foraging bees.  You can likely do so simply by walking along the edge of field and inspecting any flowering plants.  Note that some blooming plants do not necessarily produce colorful flowers. Pollen and nectar are only made available to bees by a most plants for a few hours of each day. Accordingly, make sure to scout a field during the time you plan to apply a chemical, particularly an insecticide. Late evening to early morning is usually idea. Shoot for somewhere between 8PM and 6AM.  If it’s expected to be cold the night after application, apply an insecticide in the beginning of this time frame. Colder weather may allow the insecticide to remain toxic for longer, so you want to allow more time before bees return to the fields. For corn, apply an insecticide anytime between late afternoon and midnight. Some pesticides are especially dangerous, not only to bees, but to other beneficial insects.  Neonicotinoids are able to “express” themselves throughout the chemical makeup of a plant itself, and will be expressed in nectar in pollen.  They will kill honeybees no matter when they are applied.  The pharmaceutical Bayer markets pesticides with these ingredients to both industrial farmers as well as consumers like you. Watch out for an ingredient called imidacloprid, as this is the most common neonicotinoid. Many of Bayer’s products include it.  Understand that by using these products, you’re likely making the plants you spray toxic to honeybees. Spray drift refers to the distance and direction that a chemical may be carried by the wind.  There are two things you need to do to account for spray drift.  First, contact bee keepers in your area before you spray, as far in advance as possible.  Additionally, try to minimize spray drift by reducing the pressure of the spray and using a nozzle that will increase droplet size While fungicides are not designed to kill honeybees, they can be toxic when applied in certain conditions, and will contribute to honeybee mortality indirectly.  For instance, fungicides can make it harder to honeybees to forage and feed.  While fungicides like Propiconazole are considered safe for honeybees, their use is toxic when combined with certain common surfactants, fertilizers, and insecticides.
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One-sentence summary -- Do not use pesticides when bees are foraging. Scout a field before applying any chemicals. Time insecticide application carefully. Don’t use pesticides with neonicotinoids. Account for spray drift. Take care with fungicide application.

Q: The Apple TV device connects to your TV using an HDMI port.  Make sure it is set up on the same Wi-Fi network as your iPhone.  Read here to learn how to setup your Apple TV. You can cast video from your camera roll to your TV.  Other apps may support AirPlay casting to your TV, depending on the app developer. It's the blue button that resembles a box with an arrow pointing up.  This will display a variety of share options. It's the icon that resembles a TV with a triangle below it. The AirPlay icon may not be under the share icon on all apps.  Look for it in the video playback on various video apps. Your video will start playing on your Apple TV. To stop playing the video on your Apple TV, open the app that the video is playing from and tap the AirPlay icon.  This will stop casting to your TV.
A: Connect your Apple TV device to your TV. Open the App you want to cast video from. Tap the Share  icon. Tap AirPlay. Tap the Apple TV device you want to connect to.

Article: You’ll need to be handy with database statements to use this method. Open the database web interface login screen in your web browser and type a ’ (single quote) into the username field. Click “Login.” If you see an error that says something like “SQL Exception: quoted string not properly terminated” or “invalid character,” the database is vulnerable to SQL injections. Return to the login page for the database (or any other URL that ends in “id=” or “catid=”) and click into the browser address box. After the URL, hit the space bar and type order by 1, then hit ↵ Enter. Increase the number to 2 and press ↵ Enter. Keep increasing until you get an error. The actual number of columns is the number you entered before the number that gave you the error. At the end of the URL in the address bar, change the catid=1 or id=1 to catid=-1 or id=-1. Hit the space bar and type union select 1,2,3,4,5,6 (if there are 6 columns). The numbers should count all the way up to the total amount of columns, and each should be separated by a comma. Press ↵ Enter and you’ll see the numbers of each column that will accept a query. For example, if you want to know the current user and want to put the injection in column 2, erase everything after the id=1 in the URL and hit the space bar. Then, type union select 1,concat(user()),3,4,5,6--. Hit ↵ Enter and you will see the name of the current database user on the screen. Use any SQL statements you’d like to return information, such as lists of usernames and passwords to crack.
Question: What is a summary of what this article is about?
Find out if the database is vulnerable. Find the amount of columns. Find which columns accept queries. Inject SQL statements into the column.

Article: Set up fans so that they are diagonal and create a airflow. They should run almost constantly during the winter months, to ensure the entire greenhouse is benefiting from the heater. They can also be located near the top of the supports.  Some ventilation of carbon dioxide is essential. The vents should be adjustable. You will need to open them wider in the summer months. Solar heat may only account for 25 percent of the heat in your greenhouse, so a backup heater is essential.  You can also use a wood or oil-based heater, but it must be vented to the outside to ensure good air quality, carbon dioxide poising is a real danger to be looked out for in such a close space. You should check with your town or council to see what heating options are available in your area. If you can afford to outfit your greenhouse with its own temperature control system, then you can set it up to grow almost anything.  Employ an electrician and a contractor to install your system. It may need regular maintenance to ensure it can handle ventilation and heating in the winter. You should install several thermometers in case 1 breaks.  Place them at different levels of the greenhouse so that you can observe the temperature in your greenhouse at all times. You can buy a thermometer that measures the temperature inside your house and inside your greenhouse, so that you can watch it closely during the winter months.
Question: What is a summary of what this article is about?

Place fans in the corners of the greenhouse. Install vents in the ceiling of your greenhouse. Consider installing an electric heater. Install a forced-air system, if you are using a glass-frame greenhouse. Install thermometers or thermostats.